Thursday the statewide average for a gallon of gas was $2.31. That's about $0.50 higher than the cost at this time last year.
Now the federal government expects prices to average $2.35 nationwide in May.
And that's driving some businesses to look at creative ways to save money.
Glass Nickel Pizza Company owner Tim Nicholson says, "We're looking into using our fryer oil to run some delivery cars."
The company plans to buy diesel fueled cars for its drivers. Managers will modify them with a second tank and special filter. Once the car is warmed up, they flip a switch and the fryer oil turns into fuel.
"Everything is going to go up in price and I want to be ahead of the curve," says Nicholson.
The federal government has projected gas prices nationwide will reach an all-time high next month.
AAA Wisconsin spokesperson, Mike Bie, says, "Number one that's a projection it can change and number two Wisconsin prices tend to trend a little bit higher than national prices."
Glass Nickel owners say they don't see an end in sight. That's why they're looking for a better solution than driving up their prices.
"The immediate response of our competitors is to add a delivery charge," says Nicholson, "And we want to keep that off as long as possible."
Now he hopes others will follow in their footsteps.
"That other people will catch on and be aware that we only have limited resources and we need to be wise like using things twice."
Nicholson says in addition to bio-diesel cars, they're also buying a hybrid car and scooters with sidecars as they try to keep costs down.